family Lanthanotidae
order Chelonia
plateless turtle
Testudinata
Testudines
crocodyliform
brachycephalid
order Testudinata
order Testudines
paleoherpetology
family Iguania
family Iguanidae
genus Crotaphytus
Iguania
Iguanidae
trionychian
Crotaphytus
caudate
trionychid
urodele
podocnemidid
herpetological
lizardly
crotalic
Gastrophryne
archosaurian
family Kinosternidae
genus Gastrophryne
Kinosternidae
South American poison toad
genus Sceloporus
Sceloporus
chelonian
order Crocodylia
Crocodilia
family Bufonidae
toadwise
hoplocercid
lacertian
order Crocodilia
Crocodylia
Bufonidae
saurian
polliwog
teiid
pollywog
tadpole
casquehead